The answer to the question presented above would be letter b. amount of dissolved gases. The increased pressure increases the body's amount of dissolved gases. This change to air pressure greatly affects the human body and these changes can happen when going into the depths of the ocean or when climbing mountain peaks.
1. He was a leader of lakota people
3. He is believed to have killed Gen. custer.
4. He was part of Buffalo bills cast for 4 months
6. He was killed while being taken into custody
i believe the answer is C. Greek history! But you may want to double check first! As im not too sure.
War of 1812 is one of them.